Commit 8e1f74ea0, mentioned in comment #11, was not added to mainline until v4.8-rc6. However, Barry is seeing this bug as early as v4.8-rc1.
Commit 8e1f74ea0, mentioned in comment #11, was not added to mainline until v4.8-rc6. However, Barry is seeing this bug as early as v4.8-rc1.